Combination-rack for printers  use



v UNITED STATES PATENT OFFICE.

RICHARD YEOMANS, OF CHICAGO, ILLINOIS.

Specification forming part of Letters Patent No. 50,650, dated October 24, 1865.

To all whom it may concern:

Beit known that I, RICHARD YEoMANs, of Chicago, in the county of Cook and State of Illinois, have invented a new, simple, and useful contrivance for securely fastening articles requiring a temporary fixedness, which is particularly well adapted for priuters use, the printing-press, and 'other machinery having similar requirements.

The nature of my invention consists in providing cross-bars, having both ends provided with projecting transverse obtuse edges, (their equivalent being projecting round points or pins,) which edges, points, or pins, titinto corresponding grooves or notches indented into the inner sides of chases or frames, or into strips of metal or other material which maybe attached to and run parallel with the inner sides or ends of the press or other machine, where required. Y

That others may know how to make and use this combination-rack chase, the following is a full, clear, and accurate description of the construction and operation of the same, reference being made tothe drawings thereof, being a part of this specification.

- For the better and more distinct illustration, I have adopted the bed or table of a cylinder printing-press, to wit:

A shows the bed or table of a cylinder printing-press; B, the bearers; C, the clamps.

D represents the notches or grooves,shaped as shown at S, which are made wider and deeper at their upper ends to prevent the crossbar going below the face of the chase. In case a round point or pin is adopted on the end of the cross-bar, then the grooves may be made of a uniform width and depth throughout, but their length must not go through the chase. lf a reverse T form of groove (shown at T) is preferred, then a cross-bar having a pin or a round pointed end would drop down and slide under either end required, and there be secure. These grooves or notches are indented into the inner sides of chases, of bearers or of strips of metal, or other material, for the purpose of running parallel with the bearers, the sides or the ends of the press-table, or other machine, where required.

E represents the strips of metal or other materialrunning parallel with thebearers B, and are only required when the bearers are notprovided with notches; F, the cross-bar, having both ends provided with projecting transverse obtuse edges, which edges are made to project larger at their upper end, and are made to tit into the notches or grooves at D; G, the crossbar, having both ends provided with projecting transverse obtuse edges, the same as in F, with the difference that the edge is placed on the lower side of the left-hand end and the upper side of the right-hand end, thereby forming a bevel on side-stick for the quoin to be driven against when placed in the chase, and fits in the notches or grooves at D; H, the combination cross-hars, made to tit into each other, or into any sized chase or frame; I, the quoin or wedge to be driven up; K, the chase, inclosing the article to bel secured, altogether called a form, said chase having notches or grooves indented on its inner sides, as described by D, with cross-bars of various lengths for the purpose of applying the combination, said cross-bars and chases carrying out the principle shown byD,E, F, and G, and enables the printer to increase or diminish the size of his chase at pleasure.

Illustration: A is thebed or table of a cylinder printing-press, having notches or grooves D indented into the inner sides of the bearers B, or into strips of metal for the same purpose. Now, the pointed edges of the crossbars F and G are placed to slideinto the notches in opposite directions to each other, thus: F will slide into the notch or groove forming the near side of the letter V, and slides from you, while G goes into the farther side and slides toward you. The form or other article to be secured is placed with the chase against the clamp C or against the cross-bar F, placed where the workman may require it, when Gis dropped into the notch sufficiently near to put in the quoin I, which is driven up tight and secured.

Printers chases: The printer wants to impose a form of type to print an account-book heading-size of type, say, twenty by two incheshe has no chase suitable for such a job. He may then take a chase of this constructionsize, say, twenty-four by twentyinches-and by dropping a cross-bar, G, into the notches about three and one-half inches from one side, it will give him a chase about the size required-viz., twentyfour by three and one half inches substantially as described, in combination with the cross-bars, having their ends provided With projecting transverse obtuse edges, or their equivalent round points or pins, for the purposes substantially as described, or any other arrangement embodying the saine idea.

RICHARD YEOMAN S.

Witnesses:

J. S. THoMPsoN, W. S. HEGGIE. 

